with renewable energy, solar and wind and other technologies. these are things that can really be done. but we have to now make the case also to the public. not just we're going to cap this and that. that's too ugly. it's technical. it doesn't inspire. but what could inspire is look at what america could look like in 20 or 30 years. much smarter transport, smarter cities. >> that's the sputnik moment. >> absolutely. >> let me go back to the building blocks like the sputnik movement before we let you go. bill, this is the question that keeps coming up. though is seems elementary. you're the science guy and can explain these things. fls a polar vortex. republicans say what climate change. al gore, his theories have frostbite. practically explain to us how something like the polar vortex could be an extrapolation of broader climate distress. >> there's two things that make wind and weather. do you know the two things? it's not that complicated. >> go for it. >> heat of the sun, spin of the earth. when you have a big earth with a bunch of oceans and